Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

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Cisco AsyncOS 8.0.1 for Email User Guide
 
Chapter 17      Email Authentication
  Enabling SPF and SIDF
The following shows how the SPF/SIDF settings are displayed for the listener’s Default Policy 
Parameters.
2. Reject
[1]> 2
What SMTP action should be taken if HELO check returns PermError?
1. Accept
2. Reject
[1]> 2
Would you like to change SMTP actions taken for the MAIL FROM identity? [N]> n
Would you like to change SMTP response settings for the REJECT action? [N]> n
Verification timeout (seconds)
[40]>
SPF/SIDF Verification Enabled: Yes
  Conformance Level: SPF only
  Do HELO test: Yes
  SMTP actions:
    For HELO Identity:
      None, Neutral: Accept
      SoftFail, Fail, TempError, PermError: Reject
    For MAIL FROM Identity: Accept
  SMTP Response Settings:
    Reject code: 550
    Reject text: #5.7.1 SPF unauthorized mail is prohibited.
    Get reject response text from publisher: Yes